KashCal vs PlugBrain
Side-by-side comparison of two open source alternatives
KashCal
All your calendars. One app. Your calendars are everywhere. Family stuff on iCloud. Holidays from some website. Birthdays buried in your contacts. Work on Nextcloud. KashCal brings them together on your Android. Your schedule, together • iCloud: Switched to Android but your family is still on Apple? Sync with iCloud calendars directly. No workaround needed. • CalDAV: Nextcloud, Radicale, Baïkal, Stalwart, FastMail, Zoho, and more. Native sync, no middleware. • Device calendar: See events from your phone's built-in calendar alongside everything else. • Holidays & schedules: Subscribe to any ICS calendar. Holidays, school schedules, sports seasons. • Birthdays: Pulls from your contacts automatically. • Local: Don't need sync? Works fully offline out of the box. Material You with dynamic theming. Home screen widgets. Full-text search across all events. Per-event timezone for travel. Private by default No analytics. No telemetry. No KashCal account. Your data stays on your device unless you set up sync yourself. • Encrypted credentials (AES-256-GCM) • Fort Knox Mode: other apps can't read your events • HTTPS only, no WebViews, minimal permissions • Open source: fully auditable Website: https://kashcal.github.io Source code: https://github.com/KashCal/KashCal
PlugBrain
PlugBrain is an app that encourages regular breaks from distracting apps by blocking access at scheduled intervals. To regain access, you’ll need to solve a math challenge that adjusts in difficulty: the more frequently you use the apps, the harder the challenges become, but the longer you stay away, the easier they get. **Features** - No ads - No internet required - Blocks distracting apps - Unblock apps by solving math challenges - Difficulty increases with frequent use, decreases with focus **How to use** - Grant all required permissions - Select distracting apps - Choose your focus interval - Stay focused ;)
| Feature | KashCal | PlugBrain |
|---|---|---|
| License | Apache-2.0 | GPL-3.0-only |
| Install sources | F-DroidGitHubIzzyOnDroid | F-DroidGitHubIzzyOnDroid |
| Categories | Calendar | ProductivityFitnessCalendar |
| Features | Ad-FreeOpen SourceNo Tracking | Ad-FreeOpen SourceNo Tracking |
| Platforms | Android | Android |
| Website | ||
| Source code |